Table 1. Summary of nine cases of gastric desmoid fibromatosis.
NA: not available; ANED: alive with no evidence of disease; AWD: alive with disease; GE: gastroesophageal; EMA: epithelial membrane antigen; SMA: smooth muscle actin; F/U: follow-up; *: current case
| No. | Sex | Age | Symptoms | Tumor location/ gross description | Tumor size (mm) | Ultrasonography and endoscopy findings | Surgical resection | Adjuvant therapy | Immunohistochemistry | Recurrence | Follow-up |
| 1 [5] | F | 15 | NA | GE- junction | NA | NA | NA | NA | NA | NA | NA |
| 2 [6] | M | 67 | NA | Posterior wall of stomach | NA | NA | NA | Imatinib for coexisting GIST | NA | NA | AWD (45 months F/U) |
| 3 [7] | M | 9 | Abdominal pain, vomiting, weight loss | GE-junction | NA | Hypoechoic mass endoscopy did not pass the cardia. | R0 | No | Positive: SMA, vimentin negative: S100, CD34, desmin | No | ANED (12 months F/U) |
| 4 [8] | M | 56 | NA | Remaining greater curvature of the stomach, prior distal gastrectomy | 40 x 40 | Hypoechoic mass with clear boundaries Submucosal tumor. | R0/R1 | NA | Positive: β-catenin negative: NA | No | ANED 12 months F/U) |
| 5 [9] | F | 37 | Abdominal pain, vomiting | Antrum/ well-defined mass | 190 x 150 | Compression of gastric antral mucosa. | R0 | No | Positive: β-catenin negative: CD117, CD34, S100, DOG1, Actin, bcl-2 | No | ANED (48 months F/U) |
| 6 [3] | F | 47 | Upper abdominal pain | Posterior wall of antrum | 45 x 40 x 35 | Hypoechoic mass with less clear boundaries. Ulcerated mucosa. | R1 | No | Positive: SMA, β-catenin negative: CD117, CD34, S100 | No | ANED (63 months F/U) |
| 7 [4] | M | 47 | Abdominal pain | Antrum/ ill-defined boarders | 58 x 43 x 34 | Swelling of antral mucosa | R0 | No | Positive: β-catenin, SMA negative: S100, desmin, CD34, CD117 | No | ANED (13 months F/U) |
| 8 [10] | F | 45 | Asymptomatic | Posterior gastric wall with extension into pancreas | 55x45x40 | Hypoechoic mass extending from the gastric muscular wall to the pancreatic tail. Bulging submucosal mass in the posterior wall of the middle gastric body. | R0 | No | Positive: β-catenin, vimentin, SMA negative: Cytokeratin, EMA, S100, desmin, CD99, bcl-2, ALK, CD34, CD68, CD163, CD21, CD23, CD117, DOG1 | No | NA |
| 9* | F | 71 | Dysphagia, abdominal pain, weight loss | GE-junction/ fundus | 92 x 75 x 55 | Hypoechoic mass with well-defined boarders. Submucosal bulging tumor. | R0 | No | Positive: β-catenin, CD10, SMA negative: CD117, DOG1, CD34, desmin, ALK, S100, cytokeratin AE1/AE3, STAT6, MUC4, PR. | No | ANED (4 months F/U) |